3.7 - Friction as a Force
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Practice Questions
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What is friction?
💡 Hint: Think about what happens when you try to slide something.
Name one advantage of friction.
💡 Hint: Consider activities you do every day.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of friction opposes the initial motion of an object?
💡 Hint: Think about what keeps an object from moving.
True or False: Friction can only have negative effects.
💡 Hint: Consider both advantages and disadvantages of friction.
1 more question available
Challenge Problems
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A box weighing 50 kg is pushed along a rough surface with a coefficient of friction of 0.4. Calculate the frictional force acting on it.
💡 Hint: Start by calculating the normal force based on weight.
Discuss the impact of friction on the design of roller coasters.
💡 Hint: Think about how friction might affect speed and stability.
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